Conversion Factors

1 ppm (mg/L) =

0.38 grams per 100 gallons of water
3.8 milligrams per gallon of water
0.0283 grams per cubic foot of water
0.38 milliliters per 100 gallons of water
2.72 pounds per acre-foot of water
1 milligrams per liter of water
1 grams per cubic meter of water
0.001 milliliters per liter of water